Apparatus and methods for aspirating emboli

• US 20060025806A1
• Filed: 09/30/2005
• Published: 02/02/2006
• Est. Priority Date: 07/24/2001
• Status: Active Grant

• Current Assignee: Amr Salahieh, Jeffrey Krolik
• Original Assignee: Amr Salahieh, Jeffrey Krolik
• Inventors: Krolik, Jeffrey, Salahieh, Amr
• Granted Patent: US 8,123,777 B2
• Time in Patent Office: Days
• US Class Current: 606/200
• CPC Class Codes: A61B 17/22 Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for dilators A61M29/00
• CPC Class Codes: A61B 17/221 Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions surgical snare instruments A61B17/32056
• CPC Class Codes: A61B 2217/005 with suction drainage system
• CPC Class Codes: A61F 2/01 Filters implantable into blood vessels
• CPC Class Codes: A61F 2/0105 Open ended, i.e. legs gathered only at one side

Abstract

Apparatus and methods for aspirating emboli from a vascular filter or stent within a patient'"'"'s circulatory system are provided. A filter sac of the vascular filter permits blood flow and captures emboli from the flow. The aspiration device removes emboli from within or proximal to the vascular filter or stent to reduce the risk to the ischemia during retrieval of the vascular filter and during a treatment procedure. Retrieval of the vascular filter may be accomplished using either the aspiration catheter or a separate retrieval catheter.

Claims

1. Apparatus for filtering and aspirating emboli from a vessel comprising:

a vascular filter having a blood-permeable element disposed on a guidewire, the vascular filter causing emboli to become deposited in the vessel in the vicinity of the vascular filter;

a first catheter having proximal and distal ends, proximal and distal openings, and a lumen extending between the proximal and distal openings,

wherein the first catheter is adapted to be advanced along the guidewire to a location in the vessel in the vicinity of the vascular filter to aspirate emboli.

2-27. -27. (canceled)